water level gauge

• 水准仪

water level gauge的用法和样例：

例句

1. Construction workers are measuring distances with a level.
   施工人员正在用水准仪进行测距工作。
2. It is easy to use a water level to measure things, but you need to do many experiments before mastering it.
   水准仪的测量方法很简单，但也需要通过多次的实践才能够掌握。
3. Plot the altitude of the crossroads and other significant sites of the northern plateau with no other instrument but our stone mason's level.
   在除了石制水平仪之外，没有其他仪器的情况下，测量出十字路口以及北部高原重要地点的海拔高度。
4. A surveying instrument consisting of a spirit level and a sighting tube,used to measure the angle of inclination of a line from the observer to the target.
   由一个水平仪和一个观测管组成的测量工具，用来测量从观测者到目标的直线的倾斜角。